Product DescriptionThe Grovtec GTHM320 crush washers are designed to help securely install and time compatible muzzle devices on .308-caliber rifles with 5/8"-24 threads. Made from high-quality steel and finished with a premium black nitride coating, these washers provide reliable fit and durability for your muzzle setup. Each package includes five crush washers.Product Highlights Designed to be installed to securely attach and properly time muzzle devices 5/8"-24 thread compatibility for many .308-caliber rifle muzzle devices High-quality steel construction for dependable performance Premium black nitride finish for enhanced wear and corrosion resistance Convenient 5-pack for multiple builds or replacementsSpecs Brand: Grovtec US Inc Model: Crush Washer Caliber: .308 Thread Pitch: 5/8"-24 Material: Steel Finish: Black nitride Pack Quantity: 5 Manufacturer Part Number: GTHM320 UPC: 811071013468Disclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product's manufacturer.